preliminary construction cost estimation add-in
Spring 2026
BIM-IT Team Project
Beyond unit-cost limitations,
an automated conceptual cost estimation system
that extracts quantities directly from mass models
Less time, more precision.
User flow
Rate Value
INPUT
›
PROCESS 01
GH
›
DATA TRANSFER
›
›
›
PROCESS 02
REVIT
REVIT Add-In
Revit API
›
OUTPUT
Excel
(.xlsx)
Data Grid View
(.txt)
Site + Mass
Modeling
Data Value
Parcel SHP
Contour SHP
Building SHP
Road SHP
FAR
BCR
Setback Distance
Run
clear
add another option
Basic Information
Quantity
Estimation
By Trade &
By Work Category
Total
Construction
Cost
Comparison
Overview